The Building Sheriff - the Uk's No. 1 Building Price Guide and Advice Site

Average Labour Cost/Price to Power Flush a Central Heating System/Radiators

To clarify the following prices it is recommended that you read the article in the INFORMATION box below the PRICES…(These prices are based on a tradesman’s rate of £150.00 per day and a labourer if required at £100.00 per day. This includes the cost of buying and collecting any materials, dumping any waste if necessary and any incidental materials they will need. The minimum price will usually be for a half day)

How Much Does It Cost To Power Flush a Central Heating System?

These prices are based on a tradesman’s rate of £200 per day and a labourer if required at £100 per day. They include the cost of buying and collecting the materials, dumping the waste as necessary and any incidental materials they will need.

Job 1Drain your system, power flush it all out with a special machine, fill it up again with inhibitor added, bleed it and leave it working. 1 man, 1 day……..£350.00

Job 2He does a bit of maintenance while it’s empty. Lets say he fits/changes 1 thermostatic rad valve, an additional………£50.00.

A Price Guide and Information Sheet on Draining, Flushing and “Bleeding” a Central Heating System

Definition of “Preventative Maintenance”…….A good idea, which remains simply that.

It never gets done of course but old central heating systems which will be full of impurities, should really have their water changed every 10 years, then get flushed out and filled up again with an “inhibitor” added to counter the sludge build up.